* [PATCH] minor slabinfo cleanup
@ 2002-07-09 22:47 Brian Gerst
0 siblings, 0 replies; 2+ messages in thread
From: Brian Gerst @ 2002-07-09 22:47 UTC (permalink / raw)
To: Linus Torvalds; +Cc: Linux-Kernel
[-- Attachment #1: Type: text/plain, Size: 111 bytes --]
This patch removes the use of a magic pointer value to print the
slabinfo version header.
--
Brian Gerst
[-- Attachment #2: slabinfo-1 --]
[-- Type: text/plain, Size: 1284 bytes --]
diff -urN linux-2.5.25/mm/slab.c linux/mm/slab.c
--- linux-2.5.25/mm/slab.c Mon Jul 8 14:00:33 2002
+++ linux/mm/slab.c Mon Jul 8 14:10:36 2002
@@ -1885,10 +1885,22 @@
struct list_head *p;
down(&cache_chain_sem);
- if (!n)
- return (void *)1;
+ if (!n) {
+ /*
+ * Output format version, so at least we can change it
+ * without _too_ many complaints.
+ */
+ seq_puts(m, "slabinfo - version: 1.1"
+#if STATS
+ " (statistics)"
+#endif
+#ifdef CONFIG_SMP
+ " (SMP)"
+#endif
+ "\n");
+ };
p = &cache_cache.next;
- while (--n) {
+ while (n--) {
p = p->next;
if (p == &cache_cache.next)
return NULL;
@@ -1900,8 +1912,6 @@
{
kmem_cache_t *cachep = p;
++*pos;
- if (p == (void *)1)
- return &cache_cache;
cachep = list_entry(cachep->next.next, kmem_cache_t, next);
return cachep == &cache_cache ? NULL : cachep;
}
@@ -1922,22 +1932,6 @@
unsigned long num_slabs;
const char *name;
- if (p == (void*)1) {
- /*
- * Output format version, so at least we can change it
- * without _too_ many complaints.
- */
- seq_puts(m, "slabinfo - version: 1.1"
-#if STATS
- " (statistics)"
-#endif
-#ifdef CONFIG_SMP
- " (SMP)"
-#endif
- "\n");
- return 0;
- }
-
spin_lock_irq(&cachep->spinlock);
active_objs = 0;
num_slabs = 0;
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH] minor slabinfo cleanup
@ 2002-07-31 1:58 Brian Gerst
0 siblings, 0 replies; 2+ messages in thread
From: Brian Gerst @ 2002-07-31 1:58 UTC (permalink / raw)
To: Linus Torvalds; +Cc: Linux-Kernel
[-- Attachment #1: Type: text/plain, Size: 147 bytes --]
This patch removes the use of a magic pointer value to print the
slabinfo version header. Resend against latest BK snapshot.
--
Brian Gerst
[-- Attachment #2: slabinfo-2 --]
[-- Type: text/plain, Size: 1276 bytes --]
diff -urN linux-bk/mm/slab.c linux/mm/slab.c
--- linux-bk/mm/slab.c Tue Jul 30 20:59:28 2002
+++ linux/mm/slab.c Tue Jul 30 21:56:02 2002
@@ -1904,10 +1904,22 @@
struct list_head *p;
down(&cache_chain_sem);
- if (!n)
- return (void *)1;
+ if (!n) {
+ /*
+ * Output format version, so at least we can change it
+ * without _too_ many complaints.
+ */
+ seq_puts(m, "slabinfo - version: 1.1"
+#if STATS
+ " (statistics)"
+#endif
+#ifdef CONFIG_SMP
+ " (SMP)"
+#endif
+ "\n");
+ };
p = &cache_cache.next;
- while (--n) {
+ while (n--) {
p = p->next;
if (p == &cache_cache.next)
return NULL;
@@ -1919,8 +1931,6 @@
{
kmem_cache_t *cachep = p;
++*pos;
- if (p == (void *)1)
- return &cache_cache;
cachep = list_entry(cachep->next.next, kmem_cache_t, next);
return cachep == &cache_cache ? NULL : cachep;
}
@@ -1941,22 +1951,6 @@
unsigned long num_slabs;
const char *name;
- if (p == (void*)1) {
- /*
- * Output format version, so at least we can change it
- * without _too_ many complaints.
- */
- seq_puts(m, "slabinfo - version: 1.1"
-#if STATS
- " (statistics)"
-#endif
-#ifdef CONFIG_SMP
- " (SMP)"
-#endif
- "\n");
- return 0;
- }
-
spin_lock_irq(&cachep->spinlock);
active_objs = 0;
num_slabs = 0;
^ permalink raw reply [flat|nested] 2+ messages in thread
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